/**
 * Copyright (c) 2009 blurredVision
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
 * associated documentation files (the "Software"), to deal in the Software without restriction, 
 * including without limitation the rights to use, copy, modify, merge, publish, distribute, 
 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is 
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or 
 * substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT 
 * NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT 
 * OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
#ifndef __TEXTUREATLAS_H__
#define __TEXTUREATLAS_H__

#pragma once

#include <map>
#include <vector>
#include <string>

#include "geom/Vector.h"

struct DLL_EXPORT sAtlasInfo {
	std::string filename;
	std::string atlasFilename;
	std::string atlasType;
	std::string atlasIdx;
	math::Vector3 offset;
	float width;
	float height;
	bool  halfTexel;
};


/**
 * \ingroup CoreEngine
 *
 * The TextureAtlas class.<br>
 * Initializes the global TextureAtlas definitions. A definition can be added by calling addAtlasDefinition()
 *
 * \date 08-15-2007
 *
 * \author juckel
 *
 */
class DLL_EXPORT TextureAtlas
{
public:
	TextureAtlas(void);
	virtual ~TextureAtlas(void);
	
	/// Add an atlas definition file (.tai) to the TextureAtlas list
	bool addAtlasDefinition(const std::string &filename);
	
	/// Check if a filename that is being loaded is present inside the texture atlas
	bool hasDefinition(const std::string &filename);

	/// Get the AtlasInfo for a specified real texture name
	sAtlasInfo getAtlasInfo(const std::string &realname);

private:
	std::map<std::string, sAtlasInfo> m_mAtlasInfo;
	bool m_bHalfTexel;

	std::vector<std::string> m_lLoadedDefinitions;
};

DLL_EXPORT
void coreInitTextureAtlas();

DLL_EXPORT 
TextureAtlas* coreGetTextureAtlas();

#endif
